Expanding cargo bin



FIG. 1 is a front view of an expanding cargo bin showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a perspective front view thereof.

The broken lines shown in the drawings illustrate portions of the expanding cargo bin that form no part of the claimed design. 

CLAIM The ornamental design for an expanding cargo bin, as shown and described. 